CN221533851U

CN221533851U - Pathology department sample sampling device

Info

Publication number: CN221533851U
Application number: CN202323379929.3U
Authority: CN
Inventors: 高香亭; 贾薇; 彭宇航; 张燕
Original assignee: Shihezi University
Current assignee: Shihezi University
Priority date: 2023-12-12
Filing date: 2023-12-12
Publication date: 2024-08-16
Anticipated expiration: 2033-12-12

Abstract

The utility model relates to the technical field of pathology sampling devices, in particular to a pathology department sample sampling device which comprises a needle cylinder, wherein a connector is connected with the end part of the needle cylinder through threads, a through hole is formed in the connector, a sampling structure is arranged on the needle cylinder, the sampling structure comprises a sliding cylinder, the needle cylinder is connected with the sliding cylinder in a sliding manner, a pull rod is connected with the sliding cylinder in a sliding manner, a piston is connected with the sliding cylinder in a sliding manner, the piston is fixedly connected with the pull rod, a cutting knife is connected with the end part of the sliding cylinder through threads, a first spring is sleeved outside the pull rod, one end of the first spring is abutted against the piston, the other end of the first spring is abutted against the sliding cylinder, a baffle ring is fixedly connected with the inner side of the needle cylinder, and a clamping structure is arranged on the sliding cylinder; be convenient for carry out quick sample to the effectual convenience of operation that has improved.

Description

Pathology department sample sampling device

Technical Field

The utility model relates to a sampling device, in particular to a sample sampling device for pathology department, and belongs to the technical field of pathology sampling devices.

Background

Pathology is the cause of disease occurrence, the pathogenesis, and changes in the structure, function and metabolism of cells, tissues and organs occurring during the disease process, and its regularity, and sampling is required in the process of examining pathological tissues, and organ tissues are generally sampled by a biopsy needle.

However, when the conventional biopsy needle is used, the solid puncture needle and the working channel sleeve are matched and inserted into tissues, the solid puncture needle is taken out, then the hollow tube sampling needle is inserted from the tail end of the working channel catheter, the hollow tube sampling needle is rotated to separate a target sample from the tissues, and the hollow tube sampling needle is pulled out to suck the sample in the hollow tube sampling needle by a copper strip.

Disclosure of utility model

The utility model aims to solve the problems and provide a pathology department sample sampling device which is convenient for rapid sampling, thereby effectively improving the convenience of operation.

The utility model realizes the purpose through the following technical scheme that the sample sampling device for the pathology department comprises a needle cylinder, wherein a connector is connected to the end part of the needle cylinder through threads, a through hole is formed in the connector, a sampling structure is arranged on the needle cylinder, the sampling structure comprises a sliding cylinder, the needle cylinder is connected with the sliding cylinder in a sliding manner, a pull rod is connected to the sliding cylinder in a sliding manner, a piston is connected to the sliding cylinder in a sliding manner, the piston is fixedly connected with the pull rod, a cutting knife is connected to the end part of the sliding cylinder through threads, a first spring is sleeved outside the pull rod, one end of the first spring is abutted to the piston, the other end of the first spring is abutted to the sliding cylinder, a baffle ring is fixedly connected to the inner side of the needle cylinder, and a clamping structure is arranged on the sliding cylinder.

Preferably, the pull rod is connected to the needle cylinder in a sliding way, and one end of the cross section of the pull rod is of a T-shaped structure.

Preferably, one end of the section of the needle cylinder is of a T-shaped structure, and one end of the section of the connector is of a triangle structure.

Preferably, the clamping structure comprises a clamping block, the sliding cylinder is connected with the clamping block in a sliding manner, the end part of the clamping block is abutted against the pull rod, and the pull rod is provided with a clamping groove.

Preferably, the sliding cylinder is connected with a sliding rod in a sliding manner, the sliding rod is fixedly connected with a guide shaft, the clamping block is provided with a guide groove, and the guide shaft extends to the inside of the guide groove and is connected with the clamping block in a sliding manner.

Preferably, the guide groove and the clamping block are obliquely arranged, and one end of the section of the sliding rod is of an L-shaped structure.

Preferably, one end of the cross section of the clamping block is in a trapezoid structure, and the cross section of the clamping groove is in a trapezoid structure.

Preferably, a second spring is arranged in the sliding cylinder, one end of the second spring is abutted against the sliding rod, and the other end of the second spring is abutted against the sliding cylinder.

The beneficial effects of the utility model are as follows: when needs carry out the sample to organ tissue, can insert the cylinder and be sampled the person's health, because the tip of connector cross-section is triangle-shaped structure, consequently, can make things convenient for the cylinder to enter into the inside of being sampled the person's health, through pulling the pull rod when the connector reaches the position that needs the sample, the piston can not slide in the inside of slide under the effect of first spring elasticity this moment, thereby can make the slide in the inside of cylinder under the effect of tensile force, the slide can contradict between its one end and the baffle ring at gliding in-process, then follow and continue to pull the pull rod, the piston can slide in the inside of slide, first spring shrink, the piston can make the slide and form the negative pressure between connector at the in-process of motion, thereby make organ tissue enter into the inside of connector from the through-hole under the effect of negative pressure, the in-process screens structure can carry out the screens to the pull rod at the pull rod motion, then can not continue to pull the pull rod, alright promote the pull rod, the slide can drive the slide to cut the organ tissue motion under the effect of slide, thereby can be cut the organ tissue through the cutting knife, the organ tissue can be located in the inside of slide, can be located the cylinder, can be reset from the inside the piston is reset by the piston, the piston can not reset from the inside the piston, the piston can be reset from the inside the piston, the sample the inside the needle can be realized, and the sample can be reset at the inside the piston, and reset can be reset.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the needle cylinder and the pull rod of the present utility model;

FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;

Fig. 4 is an enlarged schematic view of a portion B shown in fig. 3.

In the figure: 1. a needle cylinder; 2. a connector; 3. a sampling structure; 301. a pull rod; 302. a piston; 303. a slide cylinder; 304. a first spring; 305. a cutting knife; 306. a baffle ring; 4. a clamping structure; 401. a slide bar; 402. a guide shaft; 403. a clamping block; 404. a guide groove; 405. a second spring; 406. a clamping groove; 5. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a sample sampling device for pathology department includes a syringe 1, an end threaded connection of the syringe 1 has a connector 2, a through hole 5 is provided on the connector 2, a sampling structure 3 is provided on the syringe 1, the sampling structure 3 includes a slide tube 303, the slide tube 303 is slidingly connected with the syringe 1, a pull rod 301 is slidingly connected with the slide tube 303, a piston 302 is slidingly connected with the slide tube 303, a fixed connection is provided between the piston 302 and the pull rod 301, a cutting knife 305 is threaded connection with an end of the slide tube 303, a first spring 304 is sleeved outside the pull rod 301, one end of the first spring 304 is abutted against the piston 302 and the other end is abutted against the slide tube 303, a stop ring 306 is fixedly connected with the inner side of the syringe 1, and a clamping structure 4 is provided on the slide tube 303.

As a technical optimization scheme of the utility model, the pull rod 301 is slidably connected to the needle cylinder 1, and one end of the cross section of the pull rod 301 is in a T-shaped structure, so that the pull rod 301 is conveniently pulled.

As a technical optimization scheme of the utility model, one end of the section of the needle cylinder 1 is of a T-shaped structure, and one end of the section of the connector 2 is of a triangle structure, so that the needle cylinder 1 can conveniently enter the body of a sampled person.

As a technical optimization scheme of the utility model, the clamping structure 4 comprises a clamping block 403, the sliding cylinder 303 is connected with the clamping block 403 in a sliding manner, the end part of the clamping block 403 is abutted against the pull rod 301, a clamping groove 406 is formed in the pull rod 301, the sliding cylinder 303 is connected with a sliding rod 401 in a sliding manner, a guide shaft 402 is fixedly connected to the sliding rod 401, the clamping block 403 is provided with a guide groove 404, the guide shaft 402 extends to the inside of the guide groove 404 and is connected with the clamping block 403 in a sliding manner, the guide groove 404 and the clamping block 403 are obliquely arranged, and one end of the section of the sliding rod 401 is of an L-shaped structure, so that the piston 302 can be prevented from resetting after absorbing organ tissues to enable the organ tissues to be separated from the inside of the needle cylinder 1.

As a technical optimization scheme of the utility model, the second spring 405 is disposed in the slide 303, one end of the second spring 405 abuts against the slide bar 401, the other end of the second spring 405 abuts against one end of the cross section of the clamping block 403 of the slide 303 to form a trapezoid structure, and the cross section of the clamping groove 406 is of a trapezoid structure, so that the clamping block 403 can play a guiding role when entering the clamping groove 406.

When the utility model is used, when organ tissues need to be sampled, the needle cylinder 1 can be inserted into the body of a sampled person, because the end part of the cross section of the connector 2 is in a triangular structure, the needle cylinder 1 can conveniently enter the body of the sampled person, when the connector 2 reaches the position needing to be sampled, the piston 302 cannot slide in the sliding cylinder 303 under the action of the elastic force of the first spring 304 at the moment, so that the sliding cylinder 303 can slide in the needle cylinder 1 under the action of the tensile force, one end of the sliding cylinder 303 can be abutted against the baffle ring 306 in the sliding process, then the piston 302 can slide in the sliding cylinder 303 with the continuous pulling of the pull rod 301, the first spring 304 is contracted, the piston 302 can form negative pressure between the sliding cylinder 303 and the connector 2 in the moving process, and the organ tissues enter the connector 2 from the through hole 5 under the action of the negative pressure, the clamping block 403 is clamped with the clamping groove 406 in the moving process of the pull rod 301, the pull rod 301 cannot be pulled continuously, then the pull rod 301 can be pushed, the pull rod 301 can drive the slide cylinder 303 to move, the slide cylinder 303 can drive the cutting knife 305 to move towards organ tissues, so that the organ tissues can be cut and sampled through the cutting knife 305, the sampled organ tissues can be positioned in the slide cylinder 303, then the needle cylinder 1 can be pulled out from the body of a sampled person, the connector 2 is twisted off the needle cylinder 1, the sliding rod 401 is pulled, the guide shaft 402 can slide in the guide groove 404 in the moving process of the sliding rod 401, the second spring 405 is contracted, the clamping block 403 can move away from the clamping groove 406, the first spring 304 can be stretched to drive the piston 302 to reset when the clamping block 403 is not clamped with the clamping groove 406, the piston 302 can slide out the organ tissue from the inside of the slide cylinder 303 in the resetting process, so that the rapid sampling of the organ tissue is realized, and the convenience of operation is effectively improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a pathology department sample sampling device, includes cylinder (1), its characterized in that: the end threaded connection of cylinder (1) has connector (2), be equipped with through-hole (5) on connector (2), be equipped with sampling structure (3) on cylinder (1), sampling structure (3) are including slide (303), sliding connection has slide (303) on cylinder (1), sliding connection has pull rod (301) on slide (303), sliding connection has piston (302) on slide (303), fixed connection between piston (302) and pull rod (301), the end threaded connection of slide (303) has cutting knife (305), the outside cover of pull rod (301) is equipped with first spring (304), the one end of first spring (304) is contradicted in piston (302) and the other end is contradicted in slide (303), the inboard fixedly connected with stop ring (306) of cylinder (1), be equipped with screens structure (4) on slide (303).

2. The pathology department sample sampling device of claim 1, wherein: the pull rod (301) is connected to the needle cylinder (1) in a sliding mode, and one end of the cross section of the pull rod (301) is of a T-shaped structure.

3. The pathology department sample sampling device of claim 1, wherein: one end of the cross section of the needle cylinder (1) is of a T-shaped structure, and one end of the cross section of the connector (2) is of a triangle structure.

4. The pathology department sample sampling device of claim 1, wherein: the clamping structure (4) comprises a clamping block (403), the sliding cylinder (303) is connected with the clamping block (403) in a sliding mode, the end portion of the clamping block (403) is abutted to the pull rod (301), and a clamping groove (406) is formed in the pull rod (301).

5. The pathology department sample sampling device of claim 4, wherein: the sliding cylinder (303) is connected with a sliding rod (401) in a sliding manner, a guide shaft (402) is fixedly connected to the sliding rod (401), a guide groove (404) is formed in the clamping block (403), and the guide shaft (402) extends to the inside of the guide groove (404) and is connected with the clamping block (403) in a sliding manner.

6. The pathology department sample sampling device of claim 5, wherein: the guide groove (404) and the clamping block (403) are obliquely arranged, and one end of the section of the sliding rod (401) is of an L-shaped structure.

7. The pathology department sample sampling device of claim 5, wherein: one end of the section of the clamping block (403) is in a trapezoid structure, and the section of the clamping groove (406) is in a trapezoid structure.

8. The pathology department sample sampling device of claim 5, wherein: the inside of slide (303) is equipped with second spring (405), the one end of second spring (405) is contradicted in slide bar (401), the other end of second spring (405) is contradicted in slide (303).